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1Welcome to IHEPWelcome to IHEP
Introduction of IHEP
Yifang Wang
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Institute of High Energy Institute of High Energy PhysicsPhysics
A comprehensive and largest fundamental research center in China for:
– Particle physicsParticle physics– Astroparticle physicsAstroparticle physics– Accelerator technologies and applications Accelerator technologies and applications – Synchrotron radiation technologies and applicationsSynchrotron radiation technologies and applications
• Total Staff: ~ 1300 + ~400 PhD Students and postdocs
• Total budget/year: ~ 120M $
Established at 1950, and became an independent institute at 1973 . Established at 1950, and became an independent institute at 1973 .
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Research DivisionsExperimental Physics ： BESIII, Daya Bay, BELLE II, CMS,
ATLAS…
Particle Astrophysics ： cosmic-rays, astrophysics, neutrino physics, particle astrophysics…
Theory ： nuclear & particle physics, field theory, cosmology…
Accelerator: BEPC, high power proton accelerator, free electron laser, …
Multi-discipline Research: Beijing Synchrotron Radiation Lab., Nuclear Analysis Lab., …
Computing and Network
Applications
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2. BEPCII: High Lumi. Double–ring Collider
Build new ring inside existing tunnel. Two half new rings and two half old rings cross at two IR’s, forming a double ring collider.
BEPCIIBEPCII
History of tau-charm colliders
ADONE
?
BEPCII
CESRcBEPC
SPEAR
DORIS I
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The BESIII Detector
Be beam pipe
SC magnet, 1TMagnet yoke
MDC, 120 m
CsI(Tl) calorimeter, 2.5 %@1 GeV
TOF, 90ps
RPC
A total weight of 730t, ~30000 readout channels, data rate ~50Mb/s, ~1000 man*year, 30 M$
BESIII data taking status & planPrevious Data set BESIII Near future
J/psi BESII 58M 2009 ： 200M ， 2012 ： 1 B
Psi’ CLEO ： 28 M 2009 ： 100M, 2012 ： 0.5 B
Psi” CLEO ： 0.8 /fb 2010 ： 0.9/fb ， 2011 ： 1.9/fb
4040)/4160)& scan
CLEO ： 0.6/fb @ 4160)
2011 ： 0.5/fb @ 4040)2013 ： 3/fb
R scan & Tau BESII 2014
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Japan (1)Tokyo Univ.
US (6)Univ. of Hawaii
Univ. of Washington
Carnegie Mellon Univ. Univ. of Minnesota Univ. of Rochester
Univ. of Indiana
EUROPE (10)Germany: Univ. of Bochum,
Univ. of Giessen, GSI ， Mainz ， HIM
Russia: JINR, Dubna; BINP, Novosibirsk
Italy: Univ. of Torino ， Frascati Lab
Netherland ： KVI/Univ. of Groningen
BESIII collaboration
China(29)IHEP, CCAST, Shandong Univ., Univ. of Sci. and Tech. of China
Zhejiang Univ., Huangshan Coll. Huazhong Normal Univ., Wuhan Univ.Zhengzhou Univ., Henan Normal Univ.
Peking Univ., Tsinghua Univ. ,Zhongshan Univ.,Nankai Univ.
Shanxi Univ., Sichuan UnivSuzhou Uni., Hangzhou Normal Uni.
Hunan Univ., Liaoning Univ. Henan Uni. of Sci. & Tech.,
Nanjing Univ., Nanjing Normal Univ.Guangxi Normal Univ., Guangxi Univ.Hong Univ., Hong Kong Chinese Univ.
Korea (1)Souel Nat. Univ.
Pakistan (1)Univ. of Punjab
48 institutions
~ 300 collaborators
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Daya Bay experiment
Discovery of a new type of neutrino oscillation
Sin2213 = 0.092 0.016(stat) 0.005(syst)
5.2 s significance
Sin2213 = 0.092 0.016(stat) 0.005(syst)
5.2 s significance
Phys. Rev. Lett., 108, 171803 (2012)
North America (14)
BNL, Caltech, George Mason Univ., LBNL,
Iowa state Univ. Illinois Inst. Tech., Princeton,
RPI, UC-Berkeley, UCLA, Univ. of Houston,
Univ. of Wisconsin, Virginia Tech.,
Univ. of Illinois-Urbana-Champaign,
Asia (15) IHEP, Beijing Normal Univ., Chengdu Univ. of Sci. and Tech., CGNPG, CIAE, Dongguan Polytech. Univ., Nanjing Univ.,Nankai Univ.,
Shenzhen Univ., Tsinghua Univ., USTC, Zhongshan Univ., Hong Kong Univ.
Chinese Hong Kong Univ., Taiwan Univ., Chiao Tung Univ., National United Univ.
Europe (3)
JINR, Dubna, Russia
Kurchatov Institute, Russia
Charles University, Czech Republic
Daya Bay collaboration
~ 200 collaborators
AMS 神舟二号
嫦娥一号GRM
GRM概念设计
Astro-projects
SVOM
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Hard X-ray Modulation Telescope
-Realizing the sky scan with highest resolution and sensitivity.-Observing blak holes.
-Realizing the sky scan with highest resolution and sensitivity.-Observing blak holes.
to be launched in 2015
Sino-Italian ARGO experiment (RPC hall)
Sino-Japanese AS γ experiment (scintillation detector array)Sino-Italian ARGO experiment (part of RPC carpet)
Yang-Ba-Jin Cosmic-ray observatory~3TeV ~300GeV
ASγ scintillation detector
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Multi-discipline Researches
• Nano safety
• Material sciences
• Protein crystallography
• Environment science
Materials science
28%
Condense matter18%
chemistry25%
Life science13%
Earth science & environment
7%others9%
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BEPC
4w1
Diffuse ScatteringX-ray fluorescence
analysis
Topography
4B9
X-ray DiffractionSmall angle scattering
Photoemission SpectroscPopy
3B1
Lithography
3W1
Middle energy
4W1B
4W1A
4B9B
4B9A3B
1B
3B1A
3W1A
3W1B
4 wigglers and 13 beam lines. > 300 exp./year from > 100 institutions
Beijing Synchrotron Radiation Facility
140mA@2.2GeV
1W1A
XAFS1W1B
High-pressure diffraction
LIGA
VUV
Macromolecular
3B3
1w1
4w2
3B3
Soft X-ray Optics
ApplicationsMicro-PETMicro-PET
Industrial CTIndustrial CT
Accelerator for IrradiationAccelerator for Irradiation
Future Plan
• High energy accelerators– International collaboration: LHC,ILC,…
• Underground experiments– Next generation reactor neutrino exp.
– New exp. on Dark matter searches
• Surface experiments– Construction of the LHAASO exp.
• Space experiments– New exp. at the Chinese space station
A possible Future Neutrino Experiment for mass hierarchy
Daya Bay New exp. Detector: 20kt liquid scintillator
Energy reso.: 3% Scientific goal
Mass hierarchy Precision meas. of mixing
matrix elements Supernovae Geo-neutrino Atmospheric neutrinos Sterile neutrinos Exotic searches
23/4/21 西藏羊八井大型高海拔空气簇射观测站 LHAASO
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Large High Altitude Air Shower Observatory
地面
粒子阵列μ探测器
阵列水 C
阵列
LHAASO
广角 C
阵列
和
簇射芯
探测器
Other accelerator projects• Spallation neutron source （ 2011-2017）• ADS R&D （ 2011-2020）• Beijing light source R&D （ 2011-2016）
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Thanks
Hope you have a success meeting
Enjoy your stay in Beijing
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